Alexander, F., & Staub, H. (1931). Perversion and criminality (G. Zilboorg, Trans.). In F. Alexander, H. Staub & G. Zilboorg (Trans.), The criminal, the judge, and the public: A psychological analysis (pp. 132-144). New York, NY, US: MacMillan Co.
http://dx.doi.org/10.1037/11573-010
The special psychological factors which made it pertinent that we consider the neurotic criminal apart from other criminals are still more in evidence in the cases of those who tend to perversions. If one insists on considering the conscious will power as the basis for responsibility, we will find ourselves 'especially puzzled when we face a transgressor whose crime is a perversion. (PsycINFO Database Record (c) 2016 APA, all rights reserved)